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cond-mat.supr-con2003★ 66 cited
Suppression of the charge-density-wave state in Sr_14Cu_24O_41 by calcium doping
T. Vuletic, B. Korin-Hamzic, S. Tomic +7
The charge response in the spin chain/ladder compound Sr_14-xCa_xCu_24O_41 is characterized by DC resistivity, low-frequency dielectric spectroscopy and optical spectroscopy. We id…
cond-mat.supr-con2002★ 24 cited
Variable-range hopping conductivity in the copper-oxygen chains of La_3Sr_3Ca_8Cu_24O_41
T. Vuletic, B. Korin-Hamzic, S. Tomic +6
We show that the spin chain/ladder compound La_3Sr_3Ca_8Cu_24O_41 is an insulator with hopping transport along the chains. In the temperature range 35 - 280 K, DC conductivity sigm…